Collision {
          collide FALSE
          children [
                  DEF Root Group { } 
                  #Shape {
                  #        geometry DEF gridIls IndexedLineSet { ## will be computed by script
                  #        coord DEF gridCoord Coordinate { }
                  #}}
  
                  DEF        MasterTime TimeSensor { loop TRUE startTime        0 cycleInterval        20 }
  
                  DEF        MasterTransform Transform 
                  {
                          rotation  0 1 0 0
                          scaleOrientation  0 1 0 0
                  }
          ]
  }